pingu_98/Sprinter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added min constant speed units configuration value for acceleration. Disabled manage_heating while accelerating or decelerating. Updated acceleration configuration values to better default values.

Browse source
This commit is contained in:
Emanuele Caruso 2011-04-22 21:10:10 +02:00
parent 180f20a1cd
commit d8d592179e
2 changed files with 20 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
Tonokip_Firmware/Tonokip_Firmware.pde
View file

@ -55,7 +55,9 @@ unsigned long long_full_velocity_units = full_velocity_units * 100;
unsigned long max_x_interval = 100000000.0 / (min_units_per_second * x_steps_per_unit);
unsigned long max_y_interval = 100000000.0 / (min_units_per_second * y_steps_per_unit);
unsigned long max_interval, interval;
boolean acceleration_enabled;
unsigned long x_min_constant_speed_steps = min_constant_speed_units * x_steps_per_unit,
y_min_constant_speed_steps = min_constant_speed_units * y_steps_per_unit, min_constant_speed_steps;
boolean acceleration_enabled,accelerating;
float destination_x =0.0, destination_y = 0.0, destination_z = 0.0, destination_e = 0.0;
float current_x = 0.0, current_y = 0.0, current_z = 0.0, current_e = 0.0;
long x_interval, y_interval, z_interval, e_interval; // for speed delay
@ -799,19 +801,21 @@ void linear_move(unsigned long x_steps_remaining, unsigned long y_steps_remainin
previous_micros_y=micros()*100;
interval = y_interval;
virtual_full_velocity_steps = long_full_velocity_units * y_steps_per_unit /100;
full_velocity_steps = min(virtual_full_velocity_steps, delta_y / 2);
full_velocity_steps = min(virtual_full_velocity_steps, (delta_y - y_min_constant_speed_steps) / 2);
steps_remaining = delta_y;
steps_to_take = delta_y;
max_interval = max_y_interval;
min_constant_speed_steps = y_min_constant_speed_steps;
} else if (steep_x) {
error_y = delta_x / 2;
previous_micros_x=micros()*100;
interval = x_interval;
virtual_full_velocity_steps = long_full_velocity_units * x_steps_per_unit /100;
full_velocity_steps = min(virtual_full_velocity_steps, delta_x / 2);
full_velocity_steps = min(virtual_full_velocity_steps, (delta_x - x_min_constant_speed_steps) / 2);
steps_remaining = delta_x;
steps_to_take = delta_x;
max_interval = max_x_interval;
min_constant_speed_steps = x_min_constant_speed_steps;
}
previous_micros_z=micros()*100;
previous_micros_e=micros()*100;
@ -819,8 +823,15 @@ void linear_move(unsigned long x_steps_remaining, unsigned long y_steps_remainin
if(full_velocity_steps == 0) full_velocity_steps++;
long full_interval = interval;//max(interval, max_interval - ((max_interval - full_interval) * full_velocity_steps / virtual_full_velocity_steps));
if(interval > max_interval) acceleration_enabled = false;
if(min_constant_speed_steps >= steps_to_take) {
acceleration_enabled = false;
full_interval = max(max_interval, interval); // choose the min speed between feedrate and acceleration start speed
}
if(full_velocity_steps < virtual_full_velocity_steps && acceleration_enabled) full_interval = max(interval,
max_interval - ((max_interval - full_interval) * full_velocity_steps / virtual_full_velocity_steps)); // choose the min speed between feedrate and speed at full steps
unsigned long steps_done = 0;
unsigned int steps_acceleration_check = 1;
accelerating = acceleration_enabled;
//move until no more steps remain
while(x_steps_remaining + y_steps_remaining + z_steps_remaining + e_steps_remaining > 0) {
@ -838,9 +849,11 @@ void linear_move(unsigned long x_steps_remaining, unsigned long y_steps_remainin
} else {
interval = max_interval - ((max_interval - full_interval) * steps_remaining / virtual_full_velocity_steps);
}
accelerating = true;
} else if (steps_done - full_velocity_steps >= 1 || !acceleration_enabled){
//Else, we are just use the full speed interval as current interval
interval = full_interval;
accelerating = false;
}
//If there are x or y steps remaining, perform Bresenham algorithm
@ -900,7 +913,7 @@ void linear_move(unsigned long x_steps_remaining, unsigned long y_steps_remainin
}
//If more that half second is passed since previous heating check, manage it
if( (millis() - previous_millis_heater) >= 500 ) {
if(!accelerating && (millis() - previous_millis_heater) >= 500 ) {
manage_heater();
previous_millis_heater = millis();

5
Tonokip_Firmware/configuration.h
View file

@ -9,8 +9,9 @@
#define SDSUPPORT 1
//Acceleration settings
float full_velocity_units = 10.0; // the units between minimum and G1 move feedrate
float min_units_per_second = 35.0; // the minimum feedrate
float full_velocity_units = 0.6; // the units between minimum and G1 move feedrate
float min_units_per_second = 60.0; // the minimum feedrate
float min_constant_speed_units = 0.6; // the minimum units of an accelerated move that must be done at constant speed
// THERMOCOUPLE SUPPORT UNTESTED... USE WITH CAUTION!!!!
const bool USE_THERMISTOR = true; //Set to false if using thermocouple